Fantastic resourcces for learning solidity and see piece of codes used in various Apps :
Solidity by example website showing code : solidty-by-exemple.org
And the youtube channel with all amazing videos on solidity, Defi and many more: Smart contract programmer channel
![Soliditybyexamples](https://blockchain-resources.com/wp-content/uploads/2022/08/Soliditybyexamples.png)